13 Dec 2021,  Apache Solr™ 8.11.1 available

The Lucene PMC is pleased to announce the release of Apache Solr 8.11.1

Solr is the popular, blazing fast, open source NoSQL search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search and analytics, rich document parsing, geospatial search, extensive REST APIs as well as parallel SQL. Solr is enterprise grade, secure and highly scalable, providing fault tolerant distributed search and indexing, and powers the search and navigation features of many of the world's largest internet sites.

This release contains several bug fixes. The release is available for immediate download at:

https://lucene.apache.org/solr/downloads.html

Please read CHANGES.txt for a detailed list of changes:

https://lucene.apache.org/solr/8_11_1/changes/Changes.html

Solr 8.11.1 Release Highlights

Security

  • Updates bundled log4j2 dependencies to address CVE-2021-44228 (SOLR-15843)
  • Upgrade jaegertracing to 1.6.0 and libthrift to 0.14.1 to address CVE-2020-13949 (SOLR-15324)

Bugfixes

  • Fixes to the new Admin UI Security and Schema Designer screens (SOLR-15825, SOLR-15774 and SOLR-15813)
  • Fix regression in 8.11.0 for the Admin UI Files screen and Velocity (SOLR-15804)
  • Admin endpoints for Zookeeper now by default protected by zk_read permission (SOLR-15768)
  • Better default security.json uploaded by bin/solr tool (SOLR-15828)
  • Switching a PRS collection from true -> false -> true resulted in INACTIVE replicas (SOLR-15794)
  • Fix REPLACENODE to not use source node when choosing a target node (SOLR-15795)
  • Fix NPE in pivot facets, add non-Analyzed query method in FieldType (SOLR-8319)
  • Upgrade Velocity from to v2.3 and Velocity Tools to v3.1 (SOLR-15844)
  • ..and more

A summary of important changes is published in the Solr Reference Guide at https://lucene.apache.org/solr/guide/8_11_1/solr-upgrade-notes.html. For the most exhaustive list, see the full release notes at https://lucene.apache.org/solr/8_11_1/changes/Changes.html or by viewing the CHANGES.txt file accompanying the distribution.  Solr's release notes usually don't include Lucene layer changes.  Lucene's release notes are at https://lucene.apache.org/core/8_11_1/changes/Changes.html

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